tldr/pages/osx/shuf.md

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# shuf
> Generate random permutations.
> More information: <https://keith.github.io/xcode-man-pages/shuf.1.html>.
- Randomize the order of lines in a file and output the result:
`shuf {{path/to/file}}`
- Only output the first 5 entries of the result:
`shuf --head-count=5 {{path/to/file}}`
- Write output to another file:
`shuf {{path/to/input_file}} --output={{ath/to/output_file}}`
- Generate random numbers in the range 1 to 10:
`shuf --input-range=1-10`